1. 根据句意及首字母提示补全单词。

1. （1） My father and my mother are b teachers．But they don't teach in the same school．

3. （2） I can hear the beautiful s  of the music．

5. （3） There are many m buildings in the old city now．

7. （4） Do you know who this music is b ?

9. （5） Basketball is very pin the US．